def test_conversion_rsp(self):
""" Check conversion to a -RSP PDU produces the correct output """
primitive = N_GET()
primitive.MessageIDBeingRespondedTo = 5
primitive.AffectedSOPClassUID = '1.2.4.10'
primitive.AffectedSOPInstanceUID = '1.2.4.5.7.8'
primitive.Status = 0x0000
ds = Dataset()
ds.PatientID = 'Test1101'
ds.PatientName = "Tube HeNe"
primitive.AttributeList = BytesIO(encode(ds, True, True))
dimse_msg = N_GET_RSP()
dimse_msg.primitive_to_message(primitive)
pdvs = []
for fragment in dimse_msg.encode_msg(1, 16382):
pdvs.append(fragment)
assert len(pdvs) == 2
cs_pdv = pdvs[0].presentation_data_value_list[0][1]
ds_pdv = pdvs[1].presentation_data_value_list[0][1]
assert cs_pdv == n_get_rsp_cmd
assert ds_pdv == n_get_rsp_ds
def test_callback_send_n_get(self):
"""Check callback for sending DIMSE N-GET messages."""
# N-GET-RQ
primitive = N_GET()
primitive.MessageID = 1
primitive.RequestedSOPClassUID = '1.1.1'
primitive.RequestedSOPInstanceUID = '1.1.1.1'
self.dimse.send_msg(primitive, 1)
# Plus user defined
primitive.AttributeIdentifierList = [(0x0000, 0x0000),
(0xffff, 0xffff)]
self.dimse.send_msg(primitive, 1)
# N-GET-RSP
# Mandatory elements
primitive = N_GET()
primitive.MessageIDBeingRespondedTo = 1
primitive.Status = 0x0000
self.dimse.send_msg(primitive, 1)
# User defined
primitive.AffectedSOPClassUID = '1.1.1'
primitive.AffectedSOPInstanceUID = '1.1.1.1'
self.dimse.send_msg(primitive, 1)
# Conditional
primitive.AttributeList = BytesIO(n_get_rsp_ds)
self.dimse.send_msg(primitive, 1)
def test_callback_receive_n_get(self):
"""Check callback for receiving DIMSE N-GET messages."""
# N-GET-RQ
primitive = N_GET()
primitive.MessageID = 1
primitive.RequestedSOPClassUID = '1.1.1'
primitive.RequestedSOPInstanceUID = '1.1.1.1'
msg = N_GET_RQ()
msg.primitive_to_message(primitive)
msg.ID = 1
self.dimse.debug_receive_n_get_rq(msg)
# Plus user defined
primitive.AttributeIdentifierList = [(0x0000, 0x0000),
(0xffff, 0xffff)]
msg = N_GET_RQ()
msg.primitive_to_message(primitive)
msg.ID = 1
self.dimse.debug_receive_n_get_rq(msg)
# N-GET-RSP
# Mandatory elements
primitive = N_GET()
primitive.MessageIDBeingRespondedTo = 1
primitive.Status = 0x0000
msg = N_GET_RSP()
msg.primitive_to_message(primitive)
msg.ID = 1
self.dimse.debug_receive_n_get_rsp(msg)
# User defined
primitive.AffectedSOPClassUID = '1.1.1'
primitive.AffectedSOPInstanceUID = '1.1.1.1'
msg = N_GET_RSP()
msg.primitive_to_message(primitive)
msg.ID = 1
self.dimse.debug_receive_n_get_rsp(msg)
# Conditional
primitive.AttributeList = BytesIO(n_get_rsp_ds)
msg = N_GET_RSP()
msg.primitive_to_message(primitive)
msg.ID = 1
self.dimse.debug_receive_n_get_rsp(msg)
def test_exceptions(self):
""" Check incorrect types/values for properties raise exceptions """
primitive = N_GET()
# MessageID
with pytest.raises(TypeError):
primitive.MessageID = 'halp'
with pytest.raises(TypeError):
primitive.MessageID = 1.111
with pytest.raises(ValueError):
primitive.MessageID = 65536
with pytest.raises(ValueError):
primitive.MessageID = -1
# MessageIDBeingRespondedTo
with pytest.raises(TypeError):
primitive.MessageIDBeingRespondedTo = 'halp'
with pytest.raises(TypeError):
primitive.MessageIDBeingRespondedTo = 1.111
with pytest.raises(ValueError):
primitive.MessageIDBeingRespondedTo = 65536
with pytest.raises(ValueError):
primitive.MessageIDBeingRespondedTo = -1
# AffectedSOPClassUID
with pytest.raises(TypeError):
primitive.AffectedSOPClassUID = 45.2
with pytest.raises(TypeError):
primitive.AffectedSOPClassUID = 100
with pytest.raises(ValueError):
primitive.AffectedSOPClassUID = 'abc'
# AffectedSOPInstanceUID
with pytest.raises(TypeError):
primitive.AffectedSOPInstanceUID = 45.2
with pytest.raises(TypeError):
primitive.AffectedSOPInstanceUID = 100
with pytest.raises(ValueError):
primitive.AffectedSOPInstanceUID = 'abc'
# RequestedSOPClassUID
with pytest.raises(TypeError):
primitive.RequestedSOPClassUID = 45.2
with pytest.raises(TypeError):
primitive.RequestedSOPClassUID = 100
with pytest.raises(ValueError):
primitive.RequestedSOPClassUID = 'abc'
# RequestedSOPInstanceUID
with pytest.raises(TypeError):
primitive.RequestedSOPInstanceUID = 45.2
with pytest.raises(TypeError):
primitive.RequestedSOPInstanceUID = 100
with pytest.raises(ValueError):
primitive.RequestedSOPInstanceUID = 'abc'
# AttributeIdentifierList
with pytest.raises(ValueError):
primitive.AttributeIdentifierList = Tag(0x0000, 0x0000)
with pytest.raises(ValueError, match="Attribute Identifier List must"):
primitive.AttributeIdentifierList = ['ijk', 'abc']
with pytest.raises(ValueError, match="Attribute Identifier List must"):
primitive.AttributeIdentifierList = []
# AttributeList
msg = r"'AttributeList' parameter must be a BytesIO object"
with pytest.raises(TypeError, match=msg):
primitive.AttributeList = 'halp'
with pytest.raises(TypeError):
primitive.AttributeList = 1.111
with pytest.raises(TypeError):
primitive.AttributeList = 50
with pytest.raises(TypeError):
primitive.AttributeList = [30, 10]
# Status
with pytest.raises(TypeError):
primitive.Status = 19.4
def test_assignment(self):
"""Check assignment works correctly"""
primitive = N_GET()
# AffectedSOPClassUID
primitive.AffectedSOPClassUID = '1.1.1'
assert primitive.AffectedSOPClassUID == UID('1.1.1')
assert isinstance(primitive.AffectedSOPClassUID, UID)
primitive.AffectedSOPClassUID = UID('1.1.2')
assert primitive.AffectedSOPClassUID == UID('1.1.2')
assert isinstance(primitive.AffectedSOPClassUID, UID)
primitive.AffectedSOPClassUID = b'1.1.3'
assert primitive.AffectedSOPClassUID == UID('1.1.3')
assert isinstance(primitive.AffectedSOPClassUID, UID)
# AffectedSOPInstanceUID
primitive.AffectedSOPInstanceUID = b'1.2.1'
assert primitive.AffectedSOPInstanceUID == UID('1.2.1')
assert isinstance(primitive.AffectedSOPClassUID, UID)
primitive.AffectedSOPInstanceUID = UID('1.2.2')
assert primitive.AffectedSOPInstanceUID == UID('1.2.2')
assert isinstance(primitive.AffectedSOPClassUID, UID)
primitive.AffectedSOPInstanceUID = '1.2.3'
assert primitive.AffectedSOPInstanceUID == UID('1.2.3')
assert isinstance(primitive.AffectedSOPClassUID, UID)
# AttributeList
ref_ds = Dataset()
ref_ds.PatientID = '1234567'
primitive.AttributeList = BytesIO(encode(ref_ds, True, True))
ds = decode(primitive.AttributeList, True, True)
assert ds.PatientID == '1234567'
# AttributeIdentifierList
primitive.AttributeIdentifierList = [
0x00001000, (0x0000, 0x1000),
Tag(0x7fe0, 0x0010)
]
assert [Tag(0x0000, 0x1000),
Tag(0x0000, 0x1000),
Tag(0x7fe0, 0x0010)] == primitive.AttributeIdentifierList
primitive.AttributeIdentifierList = [(0x7fe0, 0x0010)]
assert [Tag(0x7fe0, 0x0010)] == primitive.AttributeIdentifierList
primitive.AttributeIdentifierList = (0x7fe0, 0x0010)
assert [Tag(0x7fe0, 0x0010)] == primitive.AttributeIdentifierList
elem = DataElement((0x0000, 0x0005), 'AT', [Tag(0x0000, 0x1000)])
assert isinstance(elem.value, MutableSequence)
primitive.AttributeIdentifierList = elem.value
assert [Tag(0x0000, 0x1000)] == primitive.AttributeIdentifierList
# MessageID
primitive.MessageID = 11
assert 11 == primitive.MessageID
# MessageIDBeingRespondedTo
primitive.MessageIDBeingRespondedTo = 13
assert 13 == primitive.MessageIDBeingRespondedTo
# RequestedSOPClassUID
primitive.RequestedSOPClassUID = '1.1.1'
assert primitive.RequestedSOPClassUID == UID('1.1.1')
assert isinstance(primitive.RequestedSOPClassUID, UID)
primitive.RequestedSOPClassUID = UID('1.1.2')
assert primitive.RequestedSOPClassUID == UID('1.1.2')
assert isinstance(primitive.RequestedSOPClassUID, UID)
primitive.RequestedSOPClassUID = b'1.1.3'
assert primitive.RequestedSOPClassUID == UID('1.1.3')
assert isinstance(primitive.RequestedSOPClassUID, UID)
# RequestedSOPInstanceUID
primitive.RequestedSOPInstanceUID = b'1.2.1'
assert primitive.RequestedSOPInstanceUID == UID('1.2.1')
assert isinstance(primitive.RequestedSOPInstanceUID, UID)
primitive.RequestedSOPInstanceUID = UID('1.2.2')
assert primitive.RequestedSOPInstanceUID == UID('1.2.2')
assert isinstance(primitive.RequestedSOPInstanceUID, UID)
primitive.RequestedSOPInstanceUID = '1.2.3'
assert primitive.RequestedSOPInstanceUID == UID('1.2.3')
assert isinstance(primitive.RequestedSOPInstanceUID, UID)
# Status
primitive.Status = 0x0000
assert primitive.Status == 0x0000